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METRONIDAZOLE (VAGINAL)

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Metronidazole (vaginal) is an intravaginal antibiotic used to treat vaginal infections caused primarily by bacteria. Metronidazole is also available as oral and topical medications.

Safetychecker Summary for Metronidazole Vaginal
(for details about the summarized interactions, read the full article)

Beneficial May be Beneficial: Supportive interaction—Taking these supplements may support or otherwise help your medication work better.

Zinc

Depletion or interference

None known

Side effect reduction/prevention

None known

Reduced drug absorption/bioavailability

None known

Adverse interaction

None known

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Interactions with Dietary Supplements

Zinc
Four women whose vaginal infections caused by trichomonas (one-celled parasites) were not responding to oral and vaginal metronidazole treatment alone, improved when a zinc sulfate douche was added.1 Controlled research is needed to determine if zinc enhances the effects of metronidazole in vaginal infections caused by other organisms.

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References: Top

1. Houang ET, Ahmet Z, Lawrence AG. Successful treatment of four patients with recalcitrant vaginal trichomoniasis with a combination of zinc sulfate douche and metronidazole therapy. Sex Transm Dis 1997;24:116–9.